Data & Sources

147,575

places

246

countries

14 Nov 2026

updated monthly

How we use data

Free, open data only. Every figure is computed from openly licensed datasets - nothing is bought or estimated by hand.
Estimates are labelled. Sunshine, snowfall, UV index, flood exposure and drive times are calculated estimates; each figure's "i" says how it's made and where it comes from.
Local figures, or none. Where a place has its own figure - its region's GDP, its average age, armed conflict nearby - it's shown under the place's name. Where it hasn't, it says "No data" and the country's figure is shown below it: a country figure is never passed off as a local one, and missing figures aren't estimated.
Local means within 5 km. Restaurants, parks, density, schools and the other local figures cover 5 km around the town centre.

Outlines on the map

Every place gets one outline, drawn the same way. It comes from, in order:

The official boundary - the town's administrative boundary, from OpenStreetMap via Overture Maps.
The built-up area, where the open map data has no boundary for the town itself - common in India, China, Vietnam, Pakistan and South Africa, where only much larger districts are mapped, and in a few big cities such as London: the continuous area around its centre with at least about 300 people per km² (up to 1,500 in dense cities), from a population grid of about 1 km squares, with the parks, lakes and open land it surrounds counted in. An estimate, accurate to about a kilometre.
5 km around the centre, for very sparse places where neither is available.

Journeys on the map

Tap a distance - to the beach, the airport, a station - and the map draws the journey along the roads, from the OpenStreetMap community's routing server (OSRM, run by FOSSGIS), walking for up to 2 km and driving beyond. If it can't answer, a straight line is drawn instead. The distances in the sections themselves are straight-line, with estimated travel times.

People & places

Places: GeoNames cities1000 (CC BY 4.0) - every place with 1,000+ people; time zones, capitals, currencies
Population density: GHS-POP R2023A, 2025 epoch, 1 km grid (European Commission JRC, CC BY 4.0)
Country statistics: World Bank Open Data (CC BY 4.0); WHO UHC service coverage index (via World Bank WDI, CC BY 4.0); ND-GAIN country index; UN World Population Prospects 2024 median age
Official languages: Unicode CLDR 47 territory data (official status; Unicode License)

Local figures

Population growth: GHS-POP R2023A, 2020 and 2025 epochs, 1 km grid (European Commission JRC, CC BY 4.0) - change within 5 km of the centre
Average age: WorldPop age and sex structures R2025A, 2025, 1 km, constrained (University of Southampton, CC BY 4.0) - median age within 5 km of the centre
Armed conflict nearby: UCDP Georeferenced Event Dataset 26.1 (Uppsala Conflict Data Program, CC BY 4.0) - deadly events of organised violence 2021-2025, placed to within ~25 km or a district
Nearest hospital: Overture Maps places 2026-10-21.0 - hospitals and emergency departments named as such (CDLA-Permissive-2.0), and OpenStreetMap hospitals (amenity=hospital grounds) via Overture Maps base theme (ODbL); one per site, listings placed far from their hospital left out
Stations, schools, hospitals... in the city: In the city or within 1 km of its outline (5 km of the centre without one), airports within 80 km: GeoNames, Overture Maps places 2026-10-21.0, OurAirports, mapped beaches and peaks

Climate & environment

Climate: TerraClimate monthly averages 1991-2020 (University of Idaho; public domain, CC0); sunshine estimated from solar radiation (FAO-56), snowfall from sub-zero monthly precipitation
Climate type: Beck et al. (2023) 1 km Köppen-Geiger maps: 1991-2020, and 2071-2099 under SSP2-4.5 (CC BY 4.0)
UV index: NASA POWER all-sky UV index climatology 2001-2020 (CERES SYN1deg), converted to noon peak
Air pollution: ACAG satellite-derived PM2.5 V6.GL.03, 2024 annual mean (CC BY 4.0)
Water stress & groundwater (river basin): WRI Aqueduct 4.0 (World Resources Institute, 2023, CC BY 4.0) - baseline water stress and groundwater table decline, for the river basin and aquifer
Earthquakes: USGS earthquake catalogue, magnitude 5+ since 1970 (public domain)
Elevation: GeoNames SRTM elevation
Coast & beaches: Natural Earth 1:10m coastline, lakes and rivers (public domain); beaches from GeoNames and OpenStreetMap (Overture Maps base theme, ODbL) - within 1 km of the sea coast a sea beach, of a lake shore a lake beach, and within 1 km of a major river neither
Mountains: GeoNames peaks of 1000 m+ that rise 500 m+ above the city

Amenities & connectivity

Amenities & transport: Overture Maps places and transportation 2026-10-21.0 (CDLA-Permissive-2.0 / ODbL) + GeoNames features
Stations & stops: OpenStreetMap stations and stops - train, metro and tram stations and stops, bus stations and stops, by their OpenStreetMap tags - via Overture Maps base theme 2026-10-21.0 (ODbL)
Airports: OurAirports (public domain) - international and other airports with scheduled flights
Internet speed: Speedtest by Ookla Global Fixed and Mobile Network Performance Maps, quarter starting 2026-07-01 (CC BY-NC-SA 4.0)

Maps

Town boundaries: Overture Maps divisions (ODbL, from OpenStreetMap), release 2026-10-21.0
Built-up areas: GHS-POP R2023A, 2025, 1 km grid (European Commission JRC, CC BY 4.0) - built-up extent

Other

Photos: Wikipedia / Wikimedia Commons lead images, under their own licences.

Speedtest® by Ookla® Global Fixed and Mobile Network Performance Maps. Based on analysis by Ookla of Speedtest Intelligence® data. Provided by Ookla. Ookla trademarks used under license and reprinted with permission.

Health data: World Health Organization, UHC service coverage index (via the World Bank). Köppen-Geiger maps: Beck, H. E. et al., Scientific Data 10, 724 (2023). Air quality: Atmospheric Composition Analysis Group, Washington University in St. Louis. Population: European Commission, Joint Research Centre, GHSL. Age structures: WorldPop (www.worldpop.org), University of Southampton. Armed conflict: Uppsala Conflict Data Program, Georeferenced Event Dataset (Sundberg & Melander, Journal of Peace Research, 2013). Water: World Resources Institute, Aqueduct 4.0 (2023).